* {
    margin: 0;
    padding: 0;
}

ul li {
    list-style: none;
}


/* 头部 */

header {
    height: 48px;
    background-color: #323232;
}

#header {
    width: 1103px;
    height: 48px;
    background-color: #323232;
    margin: 0 auto;
}

#header .img {
    width: 185px;
    height: 117px;
    float: left;
    /* position: absolute;
    z-index: 999; */
}

#header #ul1,
#con-right {
    margin-left: 42px;
}

#header #ul1 {
    width: 555px;
    height: 48px;
    float: left;
}

#header #ul1 li {
    width: 88px;
    height: 48px;
    float: left;
    margin-right: 3px;
    line-height: 48px;
    color: #a6a6a6;
    text-align: center;
    cursor: pointer;
}

#header #ul1 li:hover {
    background-color: tomato;
    color: white;
    transition: all 0.5s;
}

#header #con-right {
    width: 278px;
    height: 48px;
    float: right;
}

#header #con-right #ul2 {
    width: 275px;
    display: flex;
    justify-content: space-between;
}

#header #con-right #ul2 li {
    line-height: 48px;
    color: #a6a6a6;
}


/* 中间 */

section {
    width: 1101px;
    height: 1636px;
    background-color: aliceblue;
    margin: 0px auto;
    margin-top: 107px;
    margin-bottom: 30px;
    box-sizing: border-box;
    padding: 57px 58px 57px 53px;
}

section h3 {
    height: 28px;
    width: 987px;
    /* background-color: rebeccapurple; */
}

section .p00 {
    margin-top: 22px;
    width: 991px;
    height: 68px;
    /* background-color: #f0f1f1; */
    box-sizing: border-box;
    padding: 15px;
}

section img {
    width: 993px;
    height: 447px;
    margin-top: 26px;
    /* 去除底部三像素留白 */
    display: block;
}

section #seccon {
    width: 992px;
    height: 863px;
    /* background-color: palegreen; */
    margin-top: 30px;
    border-bottom: 1px solid gray;
}

section #seccon .p {
    margin-top: 20px;
    margin-bottom: 20px;
    font-size: 14px;
}

section #seccon ol li {
    list-style-position: inside;
    margin: 10px 0;
}

section .seccon-bom {
    width: 991px;
    height: 100px;
    display: flex;
    justify-content: space-between;
    box-sizing: border-box;
    padding: 20px 0 0 0;
}

section .seccon-bom .scolor1 {
    color: #999999;
}

section .seccon-bom .scolor2 {
    color: #5a5a5a;
}


/* 底部 */

footer {
    height: 83px;
    background-color: #323232;
}

#footer {
    width: 1101px;
    height: 83px;
    margin: 0 auto;
}

#footer img {
    width: 170px;
    height: 83px;
    float: left;
}

.footer-right {
    width: 635px;
    height: 83px;
    float: right;
    display: flex;
    flex-direction: column;
    justify-content: space-evenly;
    align-items: flex-end;
}

.footer-right ul {
    width: 386px;
    height: 14px;
    float: right;
}

.footer-right ul li {
    float: left;
    margin-right: 8px;
    font-size: 14px;
    color: #999999;
}

.footer-right p {
    width: 570px;
    height: 12px;
    font-size: 12px;
    float: right;
    color: #666666;
}